5477. Gondret's Ammoniacal Ointment

5477.      Gondret's Ammoniacal Ointment. Take 32 parts lard and 2 parts oil of sweet almonds. Melt together by a gentle heat, and pour the mixture into a wide-mouthed bottle. Add 17 parts of a solution of ammonia of 25° Baumé, and mix thoroughly until cold. Keep it in a cool place, and in a bottle with an accurately fitting stopper. It will vesicate, or raise a blister under the skin in 10 minutes if properly prepared.